How severe is CVE-2005-4222?

CVE-2005-4222 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-4222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4222?

CVE-2005-4222 primarily affects Lars Ellingsen Guestserver. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-4222 published?

CVE-2005-4222 was published on 2005-12-14 and last updated on 2026-06-16.

CVE-2005-4222

CVE-2005-4222 is a medium-severity vulnerability in Lars Ellingsen Guestserver with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lars Ellingsen Guestserver
Published: 2005-12-14
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in guestbook.cgi in Lars Ellingsen Guestserver 4.13 and earlier allow remote attackers to inject arbitrary web script or HTML via unspecified message fields.

Frequently asked questions

What is CVE-2005-4222?: Multiple cross-site scripting (XSS) vulnerabilities in guestbook.cgi in Lars Ellingsen Guestserver 4.13 and earlier allow remote attackers to inject arbitrary web script or HTML via unspecified message fields.
How severe is CVE-2005-4222?: CVE-2005-4222 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-4222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4222?: CVE-2005-4222 primarily affects Lars Ellingsen Guestserver. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4222 published?: CVE-2005-4222 was published on 2005-12-14 and last updated on 2026-06-16.

References

Affected products (43)

cpe:2.3:a:lars_ellingsen:guestserver:2.07:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:2.10:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:2.90:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.01:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.02:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.03:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.10:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.20:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.21:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.22:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.30:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.31:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.32:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.33:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.34:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.35:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.36:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.40:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.41:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.42:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.43:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.44:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.45:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.46:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.47:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.48:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.60:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.62:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.65:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.66:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.80:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.81:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.82:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:3.83:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4.01:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4.05:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4.06:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4.07:*:*:*:*:*:*:*
cpe:2.3:a:lars_ellingsen:guestserver:4.08:*:*:*:*:*:*:*

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